William M.R.Simpson is Junior Research Fellow at Wolfson College, Cambridge and an honorary research fellow in the philosophy of nature at the University of St Andrews. He is the author of Surprises in Theoretical Casimir Physics (2014) and the co-editor, with Robert C. Koons and Nicholas J. Teh, of Neo-Aristotelian Perspectives on Contemporary Science (Routledge, 2017).

Robert C. Koons is Professor of Philosophy at the University of Texas at Austin. He is co-editor, with George Bealer, of The Waning of Materialism: New Essays in the Philosophy of Mind (2010) and, with William M.R.Simpson and Nicholas J. Teh of Neo-Aristotelian Perspectives on Contemporary Science (Routledge, 2017). He is also the co-author of Metaphysics: The Fundamentals (2015).

James Orr is University Lecturer in Philosophy of Religion at the University of Cambridge, and formerly the McDonald Postdoctoral Fellow in Theology, Ethics, and Public Life at Christ Church, Oxford. He is a trustee of St. Paul's Theological Centre, London, and a member of the Archbishop of Canterbury's advisory group, the Lambeth Partnership.